Programmer (HHP) User guide

Chapter 1 1
Using Data Handling Instructions
11–18
The value at source A is ANDed bit by bit with the value at source B and
then stored in the destination. (This instruction differs from the AND input
instruction discussed in chapter 8.)
Truth Table
Dest = A AND B
A B Dest
0 0 0
1 0 0
0 1 0
1 1 1
Source A and B can either be a word address or a constant; however, both
sources cannot be a constant. The destination must be a word address.
Updates to Arithmetic Status Bits
With this Bit: The controller:
S0/0 Carry (C) always resets.
S0/1 Overflow (V) always resets.
S0/2 Zero (Z) sets if result is zero; otherwise resets.
S0/3 Sign (S) sets if most significant bit is set; otherwise resets.
Entering the Instruction
You enter the instruction from within the program monitor functional area.
P
0 0 0 A N D S R C A
2 5 5
P
0 0 0 A N D S R C B
N 0 1 0 0
P
0 0 0 A N D D E S T
N 0 1 0 0
AND
BITWISE AND
Source A 255
Source B N7:0
100
Dest N7:0
100
Execution Times (µ sec) when:
True False
34.00 6.78
Ladder representation:
A
nd
(AND)
8
ENT
ANB
0
1
FUN
To enter the function code, press: